?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N+H&rft.au=Nam%2C+N+H&rft.aulast=Nam&rft.atitle=Effect+of+timing+of+drought+stress+on+growth+and+grain+yield+of+extra-short-duration+pigeonpea+lines&rft.title=Journal+of+Agricultural+Science&rft.issn=0021-8596&rft.date=2001&rft.volume=136&rft.pages=179-189&rft.issue=2&rft.genre=article